EP0619832B1 - Porphyrine bildende harzsysteme und daraus gewonnene polymere - Google Patents

Porphyrine bildende harzsysteme und daraus gewonnene polymere Download PDF

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Publication number
EP0619832B1
EP0619832B1 EP93901067A EP93901067A EP0619832B1 EP 0619832 B1 EP0619832 B1 EP 0619832B1 EP 93901067 A EP93901067 A EP 93901067A EP 93901067 A EP93901067 A EP 93901067A EP 0619832 B1 EP0619832 B1 EP 0619832B1
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Prior art keywords
resin
coating
porphyrinogenic
acid
coating system
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French (fr)
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EP0619832A4 (de
EP0619832A1 (de
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James Thomas Guthrie
Richard Alan Morris
Wei Dong He
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Australian National University
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Australian National University
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule

Definitions

  • This invention relates to porphyrinogenic resin systems and methods for their manufacture, and to coating compositions and methods involving such resins.
  • the invention is particularly concerned with anti-corrosion coatings derived from such resins.
  • a polymerisable resin comprising a porphyrinogenic ring system produced by the reaction of:
  • the reaction generally requires the presence of an acid catalyst, which is selected to suit the particular chosen reagents (a) and (b).
  • the catalyst may be an inorganic acid, or an organic acid, such as acetic or propionic acid, or an acid anhydride, such as phthalic anhydride.
  • Organic acids which contain unsaturated groups may be used. These acids may become incorporated into and provide functional groups in the resin product, as well as providing a catalytic function. Acids containing vinyl groups, such as acrylic acid, or triple bonds, such as acetylene dicarboxylic acid, are especially useful in this regard.
  • Inorganic acids especially the hydrohalic acids, such as hydrochloric acid, may also be used either alone or with an organic acid, as described above.
  • the acid catalyst also has the important function of removal of the alkyl group to allow reaction of the dialkylated pyrrole intermediate with the ketone to give the porphyrinogenic ring system.
  • Hydrochloric acid is especially useful in this regard, particularly when used with cyclohexanone or other cyclic ketones which act as co-solvents for the (normally immiscible) aqueous acid and N-alkylpyrrole.
  • the preferred cyclic ketone is cyclohexanone.
  • the extent of the reaction may be controlled by adding one or more suitable reagents which effectively terminate the polymerisation.
  • a C 1 -C 8 aliphatic alcohol such as butanol
  • a saturated cyclic monoether such as tetrahydrofuran (THF)
  • THF tetrahydrofuran
  • reaction with THF results in the formation of 1-chlorobutanol.
  • porphyrinogenic ring system means a porphyrinogen or porphyrinogen-like ring system comprising 5-membered heterocyclic rings linked in a macrocyclic ring structure by linking groups.
  • the linking groups have unsaturated side chains and n-covalent bonding is formed between the macrocyclic ring and the double bonds of the side chains.
  • the porphyrinogenic ring system should also have sufficient electrons to form covalent or coordinate bonds with metals, e.g. >N - M - N ⁇ , where M is a metal.
  • the porphyrinogenic ring system contains four 5-membered heterocyclic rings.
  • the ketone is cyclohexanone, there will also be four 6-membered carbocyclic rings, comprising the linking groups
  • non-deleterious substituent means a substituent which does not interfere with formation of the porphyrinogenic ring system or the subsequent reaction of the resin product with other materials, as described hereinafter.
  • the porphyrinogenic resin is obtained by the reaction of pyrrole, N-methylpyrrole, or a mixture of the two, with cyclohexanone in the presence of an acid catalyst.
  • the resin product may be modified by reaction with one or more acrylic monomers, for example butyl acrylate or acrylic acid.
  • the pyrrole (or other reagent (a)) may be reacted with the modifier before or during reaction with reagent (b), to achieve the desired modification.
  • the resin products of the invention can be used alone as coating compositions or as part of a coating system.
  • they may be combined with other materials for this purpose, including known coating materials or compositions, or precursors of such materials.
  • coating systems of many kinds can be advantageously formulated using the resin products of this invention.
  • Such coating systems include, for example, combinations of the porphyrinogenic resins with epoxy-, phenolic- or alkyd-based resins of known types.
  • Coatings or coating compositions in accordance with this invention find applications in a variety of fields. for example, they can be used in the paint industry generally and especially in anti-corrosion coatings for metals in the automotive, marine and general engineering industries. They can be utilised as decorative or protective coatings on various substrates, such as metals, paper and ceramics. They can be used as insulating coatings or as coatings for printing or masking substrates, e.g. in processes involving etching.
  • the resin products of the invention can be reacted with other unsaturated polymeric or polymerisable materials.
  • reagents which can be used for this purpose are polymerisable monomers, oligomers or other polymer precursors which possess appropriate reactive groups. Oligomer types which contain such groups include:
  • Oligomers may be terminated (“end capped”) or reactive.
  • Preferred oligomer types are the alkyd resin precursors, such as acrylic-melamine, melamine-alkyd or simple alkyd formations.
  • Examples include castor oil base alkyds, soya bean oil alkyds, rosin esters, -OH rich esters and COOH rich esters (rosin precursors), -OH deficient and -COOH deficient resins.
  • Such reactions may require the presence of a catalyst.
  • Inorganic acids such as HCl or organic acids, especially acrylic acid, may be used as catalysts.
  • Metal salts are also useful as catalysts, particularly salts of the Transition Metals (Groups 3 to 12 of the Periodic Table) and the heavier metals of Group 14. Apart from acting as catalysts, these metals can also form coordination complexes with porphyrinogenic moieties, giving rise to coloured products which are useful in coating formulations.
  • the metal halides may be used, examples of which are the chlorides of copper, iron(III), molybdenum, nickel, manganese, mercury and lead.
  • the resin products of the invention have also been found to be capable of undergoing further reaction with metal surfaces and to thereby form strongly adherent coatings which are highly resistant to saline solutions and other corrosive materials.
  • the resin products of the invention are also capable of reaction with organic or inorganic pigments, transition metal oxides or transition metal complexes.
  • the coloured coatings thus formed have excellent colour fastness and anticorrosive properties.
  • the pigment ferric oxide (Fe 2 O 3 ), which is present in some commercial coating formulations, can play an important role in the curing (crosslinking) of the coating systems of the invention.
  • Other iron oxides FeO, Fe 3 O 4
  • the oxides of other transition metals are also useful in this regard.
  • the resin thus obtained may then be converted to a coating formulation by reacting it with at least one other unsaturated resin, for example, in the presence of hydrochloric acid and a suitable aldehyde.
  • Coating systems in accordance with this invention are usually in the form of liquids or semi-solids. They may also be produced in powdered form, for example, by grinding a partially polymerised solid formulation. In use, the temperature of the surface being coated is raised to give fusion of the powdered particles and subsequent rapid crosslinking/curing.
  • Resin 4835 is produced by UCB, Belgium, and is composed of an acrylated methane resin (90%) and tetraethylene glycol (10%).
  • Comma Stop Rust is produced by Comma, Gravesend, Kent, U.K. (Product Code GC311EH) and is composed of ferric oxide (Fe 2 O 3 ) in a conventional resin formulation.
  • Coatings were formulated by blending the components shown in the Table comprised in the Examples and were tested for corrosion resistance as follows:
  • Porphyrinogenic resin (Resin A) and coating system (1)
  • Resin Table 1 Preparation of Porphyrin Resin A Material Composition(%) Pyrrole 10 Cyclohexanone 36 ADCA 0.24 Butyl acrylate 36 Butanol 27.76
  • the procedure for producing Resin A is as follows. Reactions were carried out at room temperature, i.e. 20-25°C, unless otherwise specified. ADCA (acetylenedicarboxylic acid; the catalyst) was dissolved in cyclohexanone. Pyrrole was to the ADCA-cyclohexanone solution and the reaction allowed to proceed for 3 hours at room temperature (or 2 hours at 60°-65°C). In practice, the end point of this reaction is indicated by the colour change of the reaction system from amber to orange.
  • ADCA acetylenedicarboxylic acid
  • Porphyrinogenic resin (Resin C) and coating systems (4 and 5)
  • Coating System (5) Coating system (5) was obtained by blending 39% of Resin C with 49.7% of the commercial Comma Stop Rust and 11.3% of Resin 4853. Its anti-corrosion properties are shown in Table 10. Table 10. Anticorrosive Properties of Porphyrinogenic Coating System 5. Corrosive Condition Observation At Room Temperature (1) 2.7% Saline, pH 2 Neither rust on the metal surface nor damage of the coating was observed after 112 days. Coating remained tough. (2) 2.7% Saline, pH 4 Same as in (1). (3) 2.7% Saline, pH 7 Same as in (1) but one pin-hole was observed. (4) 2.7% Saline, pH 13 Same as in (1).
  • Porphyrinogenic resin (Resin D) and coating system (6)
  • This example demonstrates an anticorrosion coating formulation using iron oxide, silicon dioxide and zinc oxide as the pigment system. This is an alternative to the system described in Example 5, which uses the commercial product "Comma Stop Rust”.
  • the pigment iron oxide (Fe 2 O 3 ) is capable of forming complexes with porphyrinogenic resins of the invention.
  • Zinc oxide is a non-toxic, white pigment which has good anticorrosion properties, good light fastness, good resistance to temperature extremes and good weatherability. Because of its slight basicity zinc oxide can react with the residual carboxyl acids in resins to form carboxylic group/zinc complexes. This reaction increases the viscosity of the coating system and consequently inhibits the flocculation of pigments during storage of coloured coatings.
  • Silicon dioxide is well known in the art and used as a viscosity modifying, and strength enhancing filler in coating formulations. Silicon dioxide also gives a significant shear-thickening tendency to the total resin system. While this property helps prevent the silicon dioxide from flocculating during storage of the compositions, it may give rise to difficulties in the milling operation.
  • Tetramethylsilane is included to prevent pigment floating. As such, it is widely used in the coatings industry. During curing processes, pigments tend to migrate to the surface of the coating thus giving rise to colour separation on the coating surface, when cured. Iron oxide, being low in its specific weight, has a tendency to migrate towards the coating surface. Tetramethylsilane and related compounds, when included in a coating formulation, can form a uniform thin film on the coating surface which reduces the rate of solvent evaporation from the coating system and also reduces the surface tension of pigment. Thus, the uniformity of components in the coating system can be maintained at the desired level during the process of cure and consequently, colour separation phenomena can be minimised.
  • the anticorrosion coating system is composed of 58% of mixture X and 42% of porphyrinogenic resin (Y).
  • the system was prepared as follows:
  • Resin 4835 15 g of Resin 4835 (UCB) was mixed with 50 g of butanol in a ball-milling container with stirring to achieve a uniform mixture. 50 g of iron oxide, 7 g of silicon dioxide and 8 g zinc oxide were added to the mixture. Again, stirring was needed to help the dispersion of these pigments/fillers in the mixture.
  • Ball-milling spheres are put into the ball-milling container and the mixture was milled until the particle size of the pigments/fillers fell below 20 ⁇ m. 55 g of Resin 4835, 45 g of Resin 410A and tetramethylsilane were then mixed in to give the iron-oxide based anticorrosion resin (X). Mixing was terminated when a uniform distribution of all the components had been achieved.
  • Resin X was then mixed with the porphyrinogenic resin (Y) in the ratio 58:42 to give the final anticorrosion coating.
  • the times for surface cure and through cure of X-Y porphyrinogenic coating were measured.
  • the measuring methods are as follows. (The full cure time was not measured.)
  • a dry cotton ball of about 5mm diameter is placed on the surface of the coating panel.
  • the coating panel is placed about 10 - 15 cm from an air jet. Slight blowing is then applied on the cotton ball.
  • Surface cure is considered to be achieved when the cotton ball can be blown off the coating surface and no cotton fibre sticks to the coating surface.
  • the surface cure time is the time which elapses between the end of the coating application and the time when surface cure is confirmed.
  • a 20 x 20 mm 2 quantity filter paper is placed on the surface of coated panel.
  • a 200g weight with circular bottom (1.13 cm in diameter) is then placed on top of the filter paper. After 30 seconds, the weight is removed and the coating panel turned upside down.
  • Through cure is considered to have been realised if the filter paper falls of the coated surface and no fibre sticks to the coated surface.
  • the time which elapses between the end of coating application and the time when through cure is achieved is the through cure time.
  • Example 5 Properties of Example 5 Formulation (involving Comma Stop Rust) Property Value Non-volatile Solids 53.05 Dispersion ⁇ 20 ⁇ m Surface Curing Time Room Temperature 20 mins 120°C 10 mins Through Curing Time Room Temperature 4.5 hours 120°C 1.0 hours Leveling Time 10 mins Dry Hiding Power 60 g/m 2
  • This example demonstrates another anticorrosion coating formulation using iron oxide.
  • This is an alternative to the system described in Example 6, in which the UCB Resin 4835 and Rohm & Haas Resin AT-410 are replaced by other commercial resins which show improved compatibility with the porphyrinogenic resin.
  • (a) Formulation The system was formulated from the materials listed in Table 15. The iron oxide, NaBO4, (anticorrosion agent) Heucophos ZPZ, Pole Star 200P Al-Si, butanol and half of the specifed amout of UCB Ebecryl 600 were placed in a ball milling jar. The mixture was ball milled until the particle size was less than 20 ⁇ m.
  • the milled ingredients were then blended with the balance of the Ebecryl 600 and the Synolac 9110, Dow Corning Silicate Additive 29 and BYK Additive 307 (the last two being added as a 1% solution in butanol) to give a pigmented resin. 58% by weight of this mixture was blended with 42% of porphyrinogenic resin (D), to produce a ready-to-apply resin coating system.
  • D porphyrinogenic resin
  • This example shows the preparation of a powdered porphyrinogenic resin coating system.
  • Table 18 Preparation of a Powdered Porphyrinogenic Resin Material Composition (%) Pyrrole 7.6 Cyclohexanone 22.0 Crotonaldehyde 1.7 Acrylic acid 11.7 Fe 2 O 3 14.8 NaBO 4 3.2 GY260 1 33.7 Heucophas ZPZ 2.9 Pole Star 200P Al-Si 2.4 1 GY260 is an epoxy resin manufactured by Ciba-Geigy AG
  • the resin was prepared as follows:
  • the pyrrole, cyclohexanone, crotonaldehyde and acrylic acid were mixed and gently and continuously stirred for 15 hours at room temperature.
  • the GY260 resin was added and the mixture stirred for a further hour at 120°C.
  • the resulting solid product is only partially cured or is capable of delayed cure.
  • the solid product is ground to produce the powdered resin product.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Catalysts (AREA)
  • Polymerisation Methods In General (AREA)

Claims (24)

  1. Polymerisierbares Harz, dadurch gekennzeichnet, daß es ein Porphyrin-bildendes Ringsystem enthält, welches durch Reaktion von
    (a) einer oder mehr aus der aus Pyrrol und N-(nieder)-Alkylpyrrolen bestehenden Gruppe ausgewählten Verbindungen, die jeweils mit einem oder mehr nicht-störenden Substituenten ringsubstituiert sein können, und
    (b) einem gesättigten alicyclischen C4-C6-Keton, das zur Reaktion mit der 2- oder 5-Stellung des Pyrrolrings befähigt ist, erhalten wird.
  2. Harz gemäß Anspruch 1, dadurch gekennzeichnet, daß der Reaktant (a) Pyrrol, N-Methylpyrrol oder ein Gemisch beider ist.
  3. Harz gemäß Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß das Keton (b) Cyclohexanon ist.
  4. Harz gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß es mit mindestens einem Acryl-Monomer modifiziert ist.
  5. Verfahren zur Herstellung eines polymerisierbaren Harzes, das ein Porphyrin-bildendes Ringsystem enthält, dadurch gekennzeichnet, daß
    (a) eine oder mehr aus der aus Pyrrol und N-(nieder)Alkylpyrrolen bestehenden Gruppe ausgewählte Verbindungen, die jeweils mit einem oder mehr nicht-störenden Substituenten ringsubstituiert sein können, und
    (b) ein gesättigtes, alicyclisches C4-C6-Keton, das zur Reaktion mit der 2- oder 5-Stellung des Pyrrolrings befähigt ist, in Gegenwart eines Säurekatalysators, der so ausgewählt ist, daß er für die speziell gewählten Reaktanten (a) und (b) geeignet ist, umgesetzt werden.
  6. Verfahren gemäß Anspruch 5, dadurch gekennzeichnet, daß der Säurekatalysator eine anorganische Säure, eine organische Säure oder ein Säureanhydrid oder ein Gemisch aus beliebigen zwei oder mehr solcher Säuren oder Anhydride umfaßt.
  7. Verfahren gemäß Anspruch 6, dadurch gekennzeichnet, daß der Säurekatalysator Essigsäure, Propionsäure oder Phthalsäureanhydrid umfaßt.
  8. Verfahren gemäß Anspruch 6, dadurch gekennzeichnet, daß der Säurekatalysator eine organische Säure, die mindestens eine ungesättigte Gruppe enthält, umfaßt.
  9. Verfahren gemäß Anspruch 8, dadurch gekennzeichnet, daß der Säurekatalysator eine Vinylgruppe oder eine dreifach gebundene Gruppe enthält.
  10. Verfahren gemäß Anspruch 5, dadurch gekennzeichnet, daß der Säurekatalysator ein Gemisch aus einer anorganischen Säure und einem ungesättigten aliphatischen Aldehyd umfaßt.
  11. Verfahren gemäß Anspruch 6 oder Anspruch 10, dadurch gekennzeichnet, daß der Reaktant (a) ein N-Alkylpyrrol ist oder umfaßt und daß der Säurekatalysator auch die Entfernung der N-Alkylgruppe bewirkt, so daß die Reaktion des Pyrrol-Zwischenprodukts mit dem Keton (b) unter Erhalt des Porphyrinbildenden Ringsystems ermöglicht wird.
  12. Verfahren gemäß Anspruch 10 oder Anspruch 11, dadurch gekennzeichnet, daß der Säurekatalysator Chlorwasserstoffsäure ist oder umfaßt.
  13. Verfahren gemäß einem der vorhergehenden Patentansprüche, dadurch gekennzeichnet, daß das Keton (b) Cyclohexanon ist.
  14. Verfahren gemäß einem der Ansprüche 5 bis 13, dadurch gekennzeichnet, daß der Pyrrol-Reaktant (a) vor oder während der Reaktion mit dem Reaktanten (b) mit einem Acrylmonomer umgesetzt wird.
  15. Harzüberzugssystem, dadurch gekennzeichnet, daß es ein polymerisierbares Harz gemäß einem der Ansprüche 1 bis 4 enthält.
  16. Harzüberzugssystem gemäß Anspruch 15, dadurch gekennzeichnet, daß es mindestens ein anderes bekanntes Überzugsmaterial enthält.
  17. Harzüberzugssystem gemäß Anspruch 15 oder Anspruch 16, dadurch gekennzeichnet, daß das polymerisierbare Harz mit mindestens einem ungesättigten Polymeren oder polymerisierbaren Material umgesetzt ist.
  18. Harzüberzugssystem gemäß Anspruch 17, dadurch gekennzeichnet, daß das polymerisierte oder polymerisierbare Material eines oder mehr der folgenden ist:
    (i) ein Oligomer auf Basis von Melamin,
    (ii) ein Epoxyoligomer,
    (iii) ein Polyurethanoligomer oder
    (iv) ein Alkydharz-Vorläufer.
  19. Harzüberzugssystem gemäß Anspruch 17 oder Anspruch 18, dadurch gekennzeichnet, daß die Reaktion in Gegenwart eines unter anorganischen Säuren, organischen Säuren und Metallsalzen ausgewählten Katalysators durchgeführt worden ist.
  20. Harzüberzugssystem gemäß Anspruch 19, wobei der Katalysator ein Salz eines Metalls der Gruppen 3 bis 12 des Periodensystems ist.
  21. Harzüberzugssystem gemäß Anspruch 20, dadurch gekennzeichnet, daß das Metallsalz ein Chlorid von Kupfer, Eisen(III), Molybdän, Nickel, Mangan, Quecksilber oder Blei ist.
  22. Harzüberzugssystem gemäß einem der Ansprüche 17 bis 21, dadurch gekennzeichnet, daß das vernetzte Harzprodukt weiterhin mit einem organischen Pigment, einem anorganischen Pigment, einem Übergangsmetalloxid, oder einem Übergangsmetallkomplex umgesetzt worden ist.
  23. Harzüberzugssystem gemäß Anspruch 22, dadurch gekennzeichnet, daß das anorganische Pigment Eisen(III)-oxid ist.
  24. Beschichtetes Substrat, dadurch gekennzeichnet, daß der Überzug aus einem Harzüberzugssystem gemäß einem der Ansprüche 15 bis 23 besteht oder von diesem abgeleitet ist.
EP93901067A 1991-12-30 1992-12-24 Porphyrine bildende harzsysteme und daraus gewonnene polymere Expired - Lifetime EP0619832B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPL019891 1991-12-30
AU198/91 1991-12-30
PCT/AU1992/000682 WO1993013150A1 (en) 1991-12-30 1992-12-24 Porphyrinogenic resin systems and polymers derived therefrom

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EP0619832A4 EP0619832A4 (de) 1994-08-23
EP0619832A1 EP0619832A1 (de) 1994-10-19
EP0619832B1 true EP0619832B1 (de) 1997-04-16

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US (1) US6235868B1 (de)
EP (1) EP0619832B1 (de)
JP (1) JPH07502550A (de)
KR (1) KR100250652B1 (de)
CN (1) CN1074461A (de)
AT (1) ATE151786T1 (de)
AU (1) AU663911B2 (de)
CA (1) CA2126846C (de)
DE (1) DE69219155T2 (de)
DK (1) DK0619832T3 (de)
ES (1) ES2102003T3 (de)
NO (1) NO306067B1 (de)
TW (1) TW224978B (de)
WO (1) WO1993013150A1 (de)

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AUPM659494A0 (en) * 1994-07-01 1994-07-28 Australian National University, The Water-based porphyrin coating system
US7041819B2 (en) 1996-04-05 2006-05-09 Board Of Regents, The University Of Texas System Halogenated calixpyrroles and uses thereof
WO1997037995A1 (en) 1996-04-05 1997-10-16 Board Of Regents, The University Of Texas System Calixpyrroles, calixpyridinopyrroles and calixpyridines
GB2383037B (en) 2001-02-26 2005-05-04 Council Scient Ind Res Substituted calix (4) pyrroles and process for the synthesis of calix (4) pyrroles over molecular sieve catalysts
WO2007100021A1 (ja) * 2006-02-23 2007-09-07 The Yokohama Rubber Co., Ltd. 積層体及びそれを用いた空気入りタイヤ
US8802074B2 (en) 2008-11-26 2014-08-12 Board Of Regents, The University Of Texas System Polymers functionalized with ion-specific recognition elements
US9925583B2 (en) 2013-07-11 2018-03-27 Crucible Intellectual Property, Llc Manifold collar for distributing fluid through a cold crucible
CN114181597A (zh) * 2021-12-02 2022-03-15 合众（佛山）化工有限公司 一种自抗菌型醇酸树脂水性防腐蚀涂料

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US4499260A (en) * 1982-11-10 1985-02-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Phthalocyanine polymers
JPS61149488A (ja) * 1984-12-24 1986-07-08 Toshiba Corp 金属腐食抑制剤
US5091502A (en) * 1988-09-23 1992-02-25 General Petrochemical Industries Ltd Tetraketone porphyrin monomers and the porphyrin-based polymers thereof
AU654286B2 (en) * 1990-07-06 1994-11-03 Australian National University, The Polymerisable porphyrins

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TW224978B (de) 1994-06-11
US6235868B1 (en) 2001-05-22
DE69219155T2 (de) 1997-10-30
EP0619832A4 (de) 1994-08-23
EP0619832A1 (de) 1994-10-19
DE69219155D1 (de) 1997-05-22
ES2102003T3 (es) 1997-07-16
AU663911B2 (en) 1995-10-26
ATE151786T1 (de) 1997-05-15
WO1993013150A1 (en) 1993-07-08
NO942439D0 (no) 1994-06-28
CA2126846A1 (en) 1993-07-08
KR100250652B1 (ko) 2000-04-01
AU3251593A (en) 1993-07-28
JPH07502550A (ja) 1995-03-16
NO306067B1 (no) 1999-09-13
CA2126846C (en) 2004-03-23
DK0619832T3 (da) 1997-10-20
NO942439L (no) 1994-08-19
KR940703874A (ko) 1994-12-12
CN1074461A (zh) 1993-07-21

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